//   Copyright 2012,2013 Vaughn Vernon
//
//   Licensed under the Apache License, Version 2.0 (the "License");
//   you may not use this file except in compliance with the License.
//   You may obtain a copy of the License at
//
//       http://www.apache.org/licenses/LICENSE-2.0
//
//   Unless required by applicable law or agreed to in writing, software
//   distributed under the License is distributed on an "AS IS" BASIS,
//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//   See the License for the specific language governing permissions and
//   limitations under the License.

package com.saasovation.common.domain.model;

/**
 * @验证器
 */
public abstract class Validator {
    /**
     * 验证通知处理程序
     */
    private ValidationNotificationHandler notificationHandler;

    /**
     * 由验证通知处理器构造验证器
     * @param aHandler 验证通知处理器
     */
    public Validator(ValidationNotificationHandler aHandler) {
        super();

        this.setNotificationHandler(aHandler);
    }

    /**
     * 验证
     */
    public abstract void validate();

    /**
     * 获取通知处理程序
     * @return 返回通知处理程序
     */
    protected ValidationNotificationHandler notificationHandler() {
        return this.notificationHandler;
    }

    /**
     * 设置通知处理程序
     * @param aHandler 通知处理程序
     */
    private void setNotificationHandler(ValidationNotificationHandler aHandler) {
        this.notificationHandler = aHandler;
    }
}
